United Kingdom
total: 38.7 years
male: 37.6 years
female: 39.8 years (2004 est.)
United States
total: 36 years
male: 34.7 years
female: 37.4 years (2004 est.)
Uruguay
total: 32.2 years
male: 30.7 years
female: 33.7 years (2004 est.)
Uzbekistan
total: 22.1 years
male: 21.4 years
female: 22.7 years (2004 est.)
Vanuatu
total: 22.3 years
male: 22.3 years
female: 22.2 years (2004 est.)
Venezuela
total: 25.2 years
male: 24.6 years
female: 25.8 years (2004 est.)
Vietnam
total: 24.9 years
male: 24 years
female: 25.9 years (2004 est.)
Virgin Islands
total: 35.9 years
male: 35.1 years
female: 36.7 years (2004 est.)
West Bank
total: 18 years
male: 17.8 years
female: 18.2 years (2004 est.)
Yemen
total: 16.5 years
male: 16.5 years
female: 16.5 years (2004 est.)